* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0c0a09;
  --fg: #f5f5f4;
  --accent: #34d399;
  --accent2: #22d3ee;
  --card-bg: rgba(255, 255, 255, 0.05);
  --card-border: rgba(52, 211, 153, 0.3);
  --glow: rgba(52, 211, 153, 0.15);
}

body.light {
  --bg: #fafaf9;
  --fg: #1c1917;
  --card-bg: rgba(0, 0, 0, 0.03);
  --card-border: rgba(16, 185, 129, 0.4);
  --glow: rgba(16, 185, 129, 0.1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  transition: background 0.3s, color 0.3s;
}

/* ── 背景装饰 ── */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 20%, var(--glow) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 80%, rgba(34, 211, 238, 0.08) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

nav {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--card-border);
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
  flex-wrap: wrap;
}

nav a {
  padding: 0.35rem 0.7rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--fg);
  font-weight: 600;
  font-size: 0.85rem;
  transition: all 0.2s;
  position: relative;
}

nav a:hover { background: var(--card-bg); transform: translateY(-1px); }
nav a.active {
  background: linear-gradient(135deg, #f59e0b, #f97316);
  color: #fff;
  box-shadow: 0 2px 12px rgba(245, 158, 11, 0.35);
}

nav button {
  margin-left: auto;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--fg);
  cursor: pointer;
  padding: 0.35rem 0.7rem;
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.2s;
}

nav button:hover { border-color: var(--accent); }

main {
  max-width: 800px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  position: relative;
  z-index: 1;
}

h1 {
  font-size: 2.2rem;
  margin-bottom: 0.4rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.02em;
}

h2 { font-size: 1.1rem; margin-bottom: 0.5rem; color: var(--accent); }
.lead { color: var(--fg); opacity: 0.65; margin-bottom: 2rem; font-size: 0.95rem; }
.lead-big { font-size: 1.6rem; font-weight: 700; }

.card,
.game-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 1.3rem;
  margin-bottom: 1rem;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}

.game-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(52,211,153,0.08) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.game-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 8px 30px rgba(52, 211, 153, 0.12);
}

.game-card:hover::after { opacity: 1; }

.game-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  display: inline-block;
  transition: transform 0.3s;
}

.game-card:hover .game-icon { transform: scale(1.1) rotate(-5deg); }

.hi-score {
  font-size: 0.8rem;
  opacity: 0.55;
  margin-top: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.scoreboard {
  font-size: 1rem;
  margin: 1rem 0;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 0.7rem 1rem;
  display: inline-flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.scoreboard strong {
  color: var(--accent);
  font-size: 1.15rem;
}

button {
  background: linear-gradient(135deg, #f59e0b, #f97316);
  color: #fff;
  border: none;
  padding: 0.7rem 1.5rem;
  border-radius: 12px;
  font-weight: 800;
  cursor: pointer;
  font-size: 1rem;
  margin: 0.6rem 0;
  transition: all 0.2s;
  box-shadow: 0 3px 14px rgba(245, 158, 11, 0.35);
  letter-spacing: 0.02em;
}

button:hover {
  box-shadow: 0 6px 24px rgba(245, 158, 11, 0.5);
  transform: translateY(-2px);
}
button:active { transform: scale(0.95); }

canvas {
  display: block;
  margin: 1rem auto;
  border: 2px solid var(--card-border);
  border-radius: 10px;
  background: var(--bg);
}

/* 打地鼠 grid */
.whack-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  max-width: 360px;
  margin: 1rem auto;
}

.hole {
  aspect-ratio: 1;
  background: var(--card-bg);
  border: 2px dashed var(--card-border);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
  cursor: pointer;
  user-select: none;
  transition: border-color 0.2s, background 0.2s;
}

.hole:hover { border-color: var(--accent); background: rgba(52,211,153,0.06); }

.hole.active::before {
  content: '🐹';
  animation: pop 0.3s ease-out;
}

@keyframes pop {
  0% { transform: scale(0); }
  60% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

/* 记忆翻牌 grid */
.memory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.6rem;
  max-width: 360px;
  margin: 1rem auto;
}

.card-flip {
  aspect-ratio: 3 / 4;
  font-size: 2rem;
  cursor: pointer;
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: 14px;
  color: var(--fg);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
  transition: all 0.2s;
}

.card-flip:hover { border-color: var(--accent); }
.card-flip.flipped {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: var(--bg);
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(52, 211, 153, 0.3);
}

.hint {
  margin-top: 2rem;
  opacity: 0.5;
  font-style: italic;
  font-size: 0.85rem;
  text-align: center;
}

/* 龙舟竞速 */
.skin-panel {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
  flex-wrap: wrap;
}

.skin-panel span {
  font-weight: 600;
  font-size: 0.9rem;
}

.skin-btn {
  padding: 0.35rem 0.7rem;
  font-size: 0.85rem;
  border-radius: 8px;
  cursor: pointer;
  background: var(--card-bg);
  color: var(--fg);
  border: 1px solid var(--card-border);
  transition: all 0.2s;
}

.skin-btn.active {
  border-color: var(--accent);
  background: rgba(52, 211, 153, 0.15);
}

.skin-btn:hover {
  border-color: var(--accent);
}

/* ── 总积分卡片 ── */
.total-score-card {
  background: linear-gradient(135deg, rgba(52,211,153,0.1), rgba(34,211,238,0.08));
  border: 1px solid var(--accent);
  border-radius: 16px;
  padding: 1.5rem;
  text-align: center;
  margin-bottom: 2rem;
}

.total-score-card h2 {
  margin-bottom: 0.3rem;
  font-size: 1rem;
  opacity: 0.7;
}

.total-score-card .lead-big {
  font-size: 2rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ── 灾害卡片内嵌应急物资 ── */
.supply-inline { margin-top: 1rem; padding-top: 0.8rem; border-top: 1px solid var(--card-border); }
.supply-inline h3 { font-size: 0.95rem; margin-bottom: 0.5rem; color: var(--accent); }
.supply-inline .supply-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 0.4rem; }
.supply-inline .supply-item {
  background: var(--card-bg); border: 2px solid var(--card-border); border-radius: 10px;
  padding: 0.5rem; text-align: center; font-size: 0.82rem;
}
.supply-inline .supply-item .emoji { font-size: 1.3rem; display: block; margin-bottom: 0.2rem; }
.supply-inline .supply-progress { text-align: center; margin-top: 0.5rem; font-size: 0.85rem; }
.supply-inline .supply-count { font-weight: 700; color: var(--accent); }